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Finding the Fourth Proportional to 43.22, 59.63 and 23.81

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Solution

The fourth proportional to 43.22, 59.63 and 23.81 is: 32.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.22 : 59.63 = 23.81 : x
  2. Step 2: Convert to fraction form
    43.22/59.63 = 23.81/x
  3. Step 3: Cross multiply
    43.22x = 59.63 × 23.81
  4. Step 4: Simplify right side
    43.22x = 1,419.49
  5. Step 5: Solve for x
    x = 1,419.49/43.22
  6. Step 6: Final answer
    x = 32.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.